150797520 has 60 divisors (see below), whose sum is σ = 506430756. Its totient is φ = 40212480.

The previous prime is 150797513. The next prime is 150797527. The reversal of 150797520 is 25797051.

150797520 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (150797513) and next prime (150797527).

It can be written as a sum of positive squares in 2 ways, for example, as 50637456 + 100160064 = 7116^2 + 10008^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150797527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104001 + ... + 105440.

Almost surely, 2^150797520 is an apocalyptic number.

150797520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

150797520 is an abundant number, since it is smaller than the sum of its proper divisors (355633236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150797520 is a wasteful number, since it uses less digits than its factorization.

150797520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209460 (or 209451 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 36.

The square root of 150797520 is about 12279.9641693288. The cubic root of 150797520 is about 532.2692778158.

The spelling of 150797520 in words is "one hundred fifty million, seven hundred ninety-seven thousand, five hundred twenty".